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jian wang updated DATAFU-16: ---------------------------- Attachment: WeightedSamplingCorrectnessTests.java ScoredReservoir.java ScoredExpJmpReservoir.java > weighted reservoir sampling with exponential jumps UDF > ------------------------------------------------------ > > Key: DATAFU-16 > URL: https://issues.apache.org/jira/browse/DATAFU-16 > Project: DataFu > Issue Type: New Feature > Environment: Mac, Linux > pig-0.11 > Reporter: jian wang > Priority: Minor > Attachments: ScoredExpJmpReservoir.java, ScoredReservoir.java, > WeightedSamplingCorrectnessTests.java > > > Create a weightedReservoirSampleWithExpJump UDF to implement the weighted > reservoir sampling algorithm with exponential jumps. Investigation is tracked > in https://github.com/linkedin/datafu/issues/80. This task is part of > experiment of different weighted sampling algorithms. -- This message was sent by Atlassian JIRA (v6.1.5#6160)